高温度プラズマにおけるN_2 2+バンドの放射特性 : 前期解離と非ボルツマン回転粒子数分布を用いた解析(流体工学,流体機械)

概要

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The N_2 second positive bands observed in high-temperature air plasmas are considered to be useful to determine internal states of high-temperature plasmas. In the experiments with a microair plasma-jet, the N_2 second positive bands with higher vibrational levels (v'≧2) were found to show a characteristic intensity distribution. The intensity distribution could not be explained by a usual equilibrium radiation theory. In order to investigate the phenomenon, theoretical spectra were calculated by taking account of two effects, that is, predissociation of N_2 C 3^II_u state through C' 3^II-u state and non-Boltzmann rotational population distribution. This calculated spectra with such effects agreed very well with the experiments.
社団法人日本機械学会の論文
2005-04-25